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High-Quality Analytical Reference Materials Spex | NSI | HPS | Chiron

Precision & Accuracy for Every Analysis

Ensure the highest confidence in your laboratory results with high-quality reference materials from industry-leading brands: Spex, NSI, HPS, and Chiron. Our extensive selection supports environmental, food safety, pharmaceutical, toxicology, cannabis, and industrial testing.

Our Reference Materials Include:

  • Inorganic Standards – Trace metals, ICP, ICP-MS, AAS, and wet chemistry solutions
  • Organic Standards – Pesticides, PCBs, PAHs, VOCs, SVOCs, and more
  • Microbiology Standards – Quantitative and qualitative reference materials for pathogen detection, sterility testing, and microbial analysis
  • Proficiency Testing (PT) Samples – Validate accuracy with external quality controls
  • Custom Standards – Tailored solutions to meet your lab’s specific needs – Fill out your custom request today!

Why Choose Us?

  • ISO 17034 & ISO 17025 Accreditation – Certified for reliability and traceability
  • Compliance with EPA, AOAC, ASTM, ISO, and other global regulations
  • High-Purity Materials – Ensuring precision in every analysis
  • Expert Support – Technical assistance to optimize your testing process

Get Started Today

Explore our full range of analytical and microbiology reference materials.

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9,242 Items found

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SKU: 13597.24-K-ME

Propiomazine maleate; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 13617.16-100MG

Di-n-octyltin dichloride, Purified (≥98%); neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 10080.6-100MG

Di-n-propyltin dichloride; neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 13627.12-K-ME

Diphenyltin dichloride, Purified (≥98%); 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 10177.19-K-IO

Methyltriphenyltin; 1000 µg/mL in isooctane; 1 mL

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  • Brand Chiron
  • Matrix isooctane
  • Concentration 1000 µg/mL
SKU: 13611.4-100MG

Mono-n-butyltin trichloride (≥98%); neat; 100 mg

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 1371.4-1ML

2-Butanone; neat; 1 mL

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  • Brand Chiron
  • Matrix neat
  • Concentration neat
SKU: 13751.9-K-ME

Clonidine hydrochloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 13752.9-K-ME

Clonidine-d4 hydrochloride; 1000 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg base/mL
SKU: 13769.20-100-ME

Tiagabine-d6 hydrochloride (methyl-d6); 100 µg base/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 100 µg base/mL
SKU: 13786.22-K-ME

Losartan carboxylic acid; 1000 µg/mL in methanol; 1 mL

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  • Brand Chiron
  • Matrix methanol
  • Concentration 1000 µg/mL
SKU: 13794.X-K-W

Polymyxin B sulfate ; 1000 µg base/mL in water; 1 mL

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  • Brand Chiron
  • Matrix water
  • Concentration 1000 µg base/mL
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